racket: 6.4 -> 6.5

pkgs/development/interpreters/racket/default.nix

@@ -28,20 +28,15 @@ let
     sqlite
   ];
 
-  boolPatch = fetchurl {
-    url = "http://copr-dist-git.fedorainfracloud.org/cgit/bthomas/racket/racket.git/plain/xform-errors-converting-fix.patch";
-    sha256 = "0h5g7a7w8wwj43jb8q69xldgbyxkn0y0i1na6r9fk17dd56nsm68";
-  };
-
 in
 
 stdenv.mkDerivation rec {
   name = "racket-${version}";
-  version = "6.4";
+  version = "6.5";
 
   src = fetchurl {
     url = "http://mirror.racket-lang.org/installers/${version}/${name}-src.tgz";
-    sha256 = "1qyzq91r1kzk2k0faggqd5idwmsxizkjbdgxn6ik9iwwsjycxbw6";
+    sha256 = "0gvh7i5k87mg1gpqk8gaq50ja9ksbhnvdqn7qqh0n17byidd6999";
   };
 
   FONTCONFIG_FILE = fontsConf;
@@ -56,10 +51,6 @@ stdenv.mkDerivation rec {
     cd src/build
   '';
 
-  # https://github.com/racket/racket/issues/1222
-  # Fixed upstream after the release of 6.4
-  patches = [ boolPatch ];
-
   shared = if stdenv.isDarwin then "dylib" else "shared";
   configureFlags = [ "--enable-${shared}" "--enable-lt=${libtool}/bin/libtool" ]
                    ++ stdenv.lib.optional disableDocs [ "--disable-docs" ]